WATCH: Would-be second-term President Biden left searching for family on stage after Obama Center opening

Former President Joe Biden was caught in an awkward moment when he drifted back toward the stage as the dedication ceremony for President Barack Obama’s presidential library wrapped up Thursday. Video shows Biden pulling down his sunglasses and peering into the crowd as his wife, Jill Biden, and Obama exited the stage, leaving him behind. At one moment, Biden shouted, "where’s my granddaughter?’" A person familiar with the situation told Fox News Digital that Biden was searching for his granddau